function show () {
	 // body...
	 var background = document.getElementById("hide_background");  
	 var inforPanel = document.getElementById("about_me_hide"); 
	 background.style.display = "block"; 
	 inforPanel.style.display = "block"; 
	 inforPanel.style.left = (window.innerWidth - inforPanel.clientWidth)/2 + "px";
	 inforPanel.style.top = (window.innerHeight - inforPanel.clientHeight)/2 - 100 + "px";
	 // alert("onClick");
	 return false;
}

function hide(){
	 var background = document.getElementById("hide_background");  
	 var inforPanel = document.getElementById("about_me_hide"); 
	 background.style.display = "none"; 
	 inforPanel.style.display = "none";
}